@article { URS*:2011,
	title = {In Silico Evolution of Early Metabolism},
	journal = {Artificial Life},
	volume = {17},
	number = {2},
	year = {2011},
	pages = {87-108},
	author = {Ullrich, A. and Rohrschneider, M. and Gerik Scheuermann and Stadler, PeterF. and Flamm, C.}
}
